#app { display: flex; min-height: 100vh; }

/* Menu lateral */
.menu {
  width: var(--largura-menu);
  background: var(--rcm-marinho);
  color: #C9D3E8;
  display: flex;
  flex-direction: column;
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 30;
  transform: translateX(-100%);
  transition: transform .2s ease;
  overflow-y: auto;
}
.menu.aberto { transform: none; }
.fundo-menu {
  position: fixed; inset: 0; background: rgba(8, 14, 28, .55);
  z-index: 20; display: none;
}
.fundo-menu.visivel { display: block; }

.menu-marca { display: block; padding: 1.1rem 1rem .9rem; border-bottom: 1px solid rgba(255,255,255,.08); }
.menu-marca img { display: block; width: 100%; max-width: 220px; height: auto; margin: 0 auto; }

.menu nav { padding: .6rem; flex: 1; }
.menu a.item {
  display: flex; align-items: center; gap: .75rem;
  padding: .6rem .75rem; border-radius: var(--raio-pequeno);
  color: inherit; text-decoration: none; font-size: .92rem;
}
.menu a.item:hover { background: rgba(255,255,255,.07); color: #fff; }
.menu a.item.ativo { background: var(--rcm-azul); color: #fff; }
.menu a.item .selo { margin-left: auto; font-size: .65rem; opacity: .65; }
.menu-rodape { padding: .9rem 1.1rem; font-size: .72rem; color: #8896B3; border-top: 1px solid rgba(255,255,255,.08); }

/* Área principal */
.principal { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.cabecalho {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: .75rem;
  padding: .7rem 1rem; background: #fff; border-bottom: 1px solid var(--borda);
}
.cabecalho .botao-menu { background: none; border: 0; padding: .35rem; border-radius: 8px; color: var(--rcm-marinho); }
.cabecalho .botao-menu:hover { background: var(--rcm-cinza); }
.cabecalho .titulo-pagina { font-size: 1.05rem; font-weight: 600; color: var(--rcm-marinho); }
.cabecalho .marca-topo { margin-left: auto; display: flex; align-items: center; gap: .5rem; }
.logo-rcm {
  display: inline-flex; align-items: center; background: var(--rcm-marinho);
  padding: .25rem .6rem; border-radius: 8px; border-bottom: 2px solid var(--rcm-dourado);
}
.logo-rcm img { display: block; height: 30px; width: auto; }
.slogan-topo { display: none; font-size: .78rem; color: var(--texto-suave); font-style: italic; }

.conteudo { padding: 1rem; max-width: 1280px; width: 100%; margin: 0 auto; }

@media (min-width: 640px) { .slogan-topo { display: inline; } .conteudo { padding: 1.5rem; } }

@media (min-width: 960px) {
  .menu { transform: none; position: sticky; top: 0; height: 100vh; }
  .fundo-menu { display: none !important; }
  .cabecalho .botao-menu { display: none; }
}

/* Avisos (toasts) */
.avisos { position: fixed; bottom: 1rem; left: 50%; transform: translateX(-50%); z-index: 50; display: grid; gap: .5rem; width: min(92vw, 420px); }
.aviso { background: var(--rcm-marinho); color: #fff; padding: .7rem 1rem; border-radius: var(--raio-pequeno); box-shadow: var(--sombra); font-size: .9rem; }
.aviso.erro { background: var(--rcm-vermelho); }
.aviso.sucesso { background: var(--rcm-verde); }